quorum vs minyan

quorum and minyan both are nouns.

Word	Noun	Adjective	Verb	Adverb
quorum	Yes	No	No	No
minyan	Yes	No	No	No

As nouns, minyan is a hyponym of quorum; that is, minyan is a word with a more specific, narrower meaning than quorum:

quorum: a gathering of the minimal number of members of an organization to conduct business
minyan: the quorum required by Jewish law to be present for public worship (at least ten males over thirteen years of age)

quorum (noun)	minyan (noun)
a gathering of the minimal number of members of an organization to conduct business	the quorum required by Jewish law to be present for public worship (at least ten males over thirteen years of age)